Malicious
Malicious

PE Executable
MD5: 3c917ae51b7fc6b4ba771e898ff0da1b
Size: 34.82 KB
application/x-dosexec
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Symbol Obfuscation Score Low
MD5 3c917ae51b7fc6b4ba771e898ff0da1b
Sha1 91ce5241fe59e90647c080e0480dcdb69767e405
Sha256 741508351f8b822d9ce3ecd6d380ac5a37b598b7114c3db5e77a2bacd709c7c8
Sha384 1a78d2788e12d995ff03cfeaacb103021cb59c049d1ef60af070386df0bd66b50efb099ada3533046d1256c4ce5f095c
Sha512 e50859ca11d86c5666e9ab2714da1cc2051ada333adf2b65343831cbb4681dc005834c5e285b2c63e7c44114f092e0b6bb826f4cb3e6f5079158f623cf0e5581
SSDeep 768:JCi+xDG2sVXxiU7g8V9Fp9jpRRXOjh//Wx:J1+xDG2qJ1zFp9jpbXOjRex
TLSH 92F23A09F7904355D9EEAFF169B361090235E60BC913EB5E0CE885DA2F27AC0CD127E6
PeID
.NET executableMicrosoft Visual C# / Basic .NETMicrosoft Visual C# / Basic.NET / MS Visual Basic 2005 - ASL Microsoft Visual C# v7.0 / Basic .NETMicrosoft Visual Studio .NET
3c917ae51b7fc6b4ba771e898ff0da1b
Malicious
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
RT_MANIFEST
ID:0001
ID:0
Config. Field Value
Mutex zqm3uhuhuhuhuhuhuhu
Hosts detailhuhuhuhuhuhuhuhuhuhuhu
Port 9huhuhuhu
KEY <6huhuhuhu
USBNM <Xwhuhuhuhu
LoggerPath %Aphuhuhuhu
family xhuhuhuhu
We extracted this malware's full configuration (C2, credentials, campaign IDs…).
Unlock with Essential
Name Value
Info
PE Detect: PeReader OK (file layout)
Module Name
XWormClientddddddd.exe
Full Name
XWormClientddddddd.exe
EntryPoint
System.Void Stub.Main::Main()
Scope Name
XWormClientddddddd.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
XWormClientddddddd
Assembly Version
1.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
<null>
Total Strings
172
Main Method
System.Void Stub.Main::Main()
Main IL Instruction Count
208
Main IL 
ldsfld System.Int32 Settings::Sleep
ldc.i4 1000
mul.ovf <null>
call System.Void System.Threading.Thread::Sleep(System.Int32)
ldsfld System.String Settings::Hosts
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::Hosts
ldsfld System.String Settings::Port
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::Port
ldsfld System.String Settings::KEY
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::KEY
ldsfld System.String Settings::SPL
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::SPL
ldsfld System.String Settings::Groub
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::Groub
ldsfld System.String Settings::USBNM
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::USBNM
ldsfld System.String Settings::InstallDir
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
call System.String System.Environment::ExpandEnvironmentVariables(System.String)
stsfld System.String Settings::InstallDir
ldsfld System.String Settings::InstallStr
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::InstallStr
leave.s IL_00CB: call System.Boolean Stub.Helper::CreateMutex()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.3 <null>
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_00CB: call System.Boolean Stub.Helper::CreateMutex()
call System.Boolean Stub.Helper::CreateMutex()
brtrue.s IL_00D8: ldsfld System.String Settings::InstallDir
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
ldsfld System.String Settings::InstallDir
ldstr \
ldsfld System.String Settings::InstallStr
call System.String System.String::Concat(System.String,System.String,System.String)
stloc.0 <null>
ldloc.0 <null>
newobj System.Void System.IO.FileInfo::.ctor(System.String)
callvirt System.IO.DirectoryInfo System.IO.FileInfo::get_Directory()
callvirt System.String System.IO.DirectoryInfo::get_FullName()
stloc.s V_4
ldloc.s V_4
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
call System.Boolean System.IO.Directory::Exists(System.String)
brtrue.s IL_011A: ldloc.0
ldloc.s V_4
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
call System.IO.DirectoryInfo System.IO.Directory::CreateDirectory(System.String)
pop <null>
ldloc.0 <null>
call System.Boolean System.IO.File::Exists(System.String)
brfalse.s IL_0131: ldc.i4 1000
ldloc.0 <null>
newobj System.Void System.IO.FileInfo::.ctor(System.String)
stloc.s V_5
ldloc.s V_5
callvirt System.Void System.IO.FileInfo::Delete()
ldc.i4 1000
call System.Void System.Threading.Thread::Sleep(System.Int32)
ldloc.0 <null>
ldsfld System.String Stub.Helper::current
call System.Byte[] System.IO.File::ReadAllBytes(System.String)
call System.Void System.IO.File::WriteAllBytes(System.String,System.Byte[])
leave.s IL_015C: ldc.i4.7
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.s V_6
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_015C: ldc.i4.7
ldc.i4.7 <null>
call System.String System.Environment::GetFolderPath(System.Environment/SpecialFolder)
ldstr \
ldsfld System.String Settings::InstallStr
call System.String System.IO.Path::GetFileNameWithoutExtension(System.String)
ldstr .lnk
call System.String System.String::Concat(System.String,System.String,System.String,System.String)
stloc.s V_7
ldstr WScript.Shell
ldstr 
call System.Object Microsoft.VisualBasic.Interaction::CreateObject(System.String,System.String)
ldnull <null>
ldstr CreateShortcut
ldc.i4.1 <null>
newarr System.Object
stloc.s V_9
ldloc.s V_9
ldc.i4.0 <null>
ldloc.s V_7
stelem.ref <null>
ldloc.s V_9
stloc.s V_10
ldloc.s V_10
ldnull <null>
ldnull <null>
ldc.i4.1 <null>
newarr System.Boolean
stloc.s V_11
ldloc.s V_11
ldc.i4.0 <null>
ldc.i4.1 <null>
stelem.i1 <null>
ldloc.s V_11
call System.Object Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateGet(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean[])
ldloc.s V_11
ldc.i4.0 <null>
ldelem.i1 <null>
brfalse.s IL_01E1: stloc.s V_12
ldloc.s V_10
ldc.i4.0 <null>
ldelem.ref <null>
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
ldtoken System.String
call System.Type System.Type::GetTypeFromHandle(System.RuntimeTypeHandle)
call System.Object Microsoft.VisualBasic.CompilerServices.Conversions::ChangeType(System.Object,System.Type)
castclass System.String
stloc.s V_7
stloc.s V_12
ldloc.s V_12
ldnull <null>
ldstr TargetPath
ldc.i4.1 <null>
newarr System.Object
stloc.s V_13
ldloc.s V_13
ldc.i4.0 <null>
ldloc.0 <null>
stelem.ref <null>
ldloc.s V_13
ldnull <null>
ldnull <null>
ldc.i4.0 <null>
ldc.i4.1 <null>
call System.Void Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateSetComplex(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean,System.Boolean)
ldloc.s V_12
ldnull <null>
ldstr WorkingDirectory
ldc.i4.1 <null>
newarr System.Object
stloc.s V_13
ldloc.s V_13
ldc.i4.0 <null>
ldstr 
stelem.ref <null>
ldloc.s V_13
ldnull <null>
ldnull <null>
ldc.i4.0 <null>
ldc.i4.1 <null>
call System.Void Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateSetComplex(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean,System.Boolean)
ldloc.s V_12
ldnull <null>
ldstr Save
ldc.i4.0 <null>
newarr System.Object
ldnull <null>
ldnull <null>
ldnull <null>
ldc.i4.1 <null>
call System.Object Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateCall(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean[],System.Boolean)
pop <null>
ldnull <null>
stloc.s V_12
ldloc.s V_7
ldc.i4.3 <null>
newobj System.Void System.IO.FileStream::.ctor(System.String,System.IO.FileMode)
stsfld System.IO.FileStream Stub.Helper::fileStream
leave.s IL_0260: call System.Void Stub.Helper::PreventSleep()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.s V_8
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_0260: call System.Void Stub.Helper::PreventSleep()
call System.Void Stub.Helper::PreventSleep()
ldnull <null>
ldftn System.Void Stub.Main::_Lambda$__1()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
stloc.1 <null>
ldnull <null>
ldftn System.Void Stub.Main::_Lambda$__2()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
stloc.2 <null>
ldloc.1 <null>
callvirt System.Void System.Threading.Thread::Start()
ldloc.2 <null>
callvirt System.Void System.Threading.Thread::Start()
ldloc.2 <null>
callvirt System.Void System.Threading.Thread::Join()
ret <null>
Module Name
XWormClientddddddd.exe
Full Name
XWormClientddddddd.exe
EntryPoint
System.Void Stub.Main::Main()
Scope Name
XWormClientddddddd.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
XWormClientddddddd
Assembly Version
1.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
<null>
Total Strings
172
Main Method
System.Void Stub.Main::Main()
Main IL Instruction Count
208
Main IL 
ldsfld System.Int32 Settings::Sleep
ldc.i4 1000
mul.ovf <null>
call System.Void System.Threading.Thread::Sleep(System.Int32)
ldsfld System.String Settings::Hosts
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::Hosts
ldsfld System.String Settings::Port
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::Port
ldsfld System.String Settings::KEY
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::KEY
ldsfld System.String Settings::SPL
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::SPL
ldsfld System.String Settings::Groub
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::Groub
ldsfld System.String Settings::USBNM
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::USBNM
ldsfld System.String Settings::InstallDir
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
call System.String System.Environment::ExpandEnvironmentVariables(System.String)
stsfld System.String Settings::InstallDir
ldsfld System.String Settings::InstallStr
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::InstallStr
leave.s IL_00CB: call System.Boolean Stub.Helper::CreateMutex()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.3 <null>
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_00CB: call System.Boolean Stub.Helper::CreateMutex()
call System.Boolean Stub.Helper::CreateMutex()
brtrue.s IL_00D8: ldsfld System.String Settings::InstallDir
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
ldsfld System.String Settings::InstallDir
ldstr \
ldsfld System.String Settings::InstallStr
call System.String System.String::Concat(System.String,System.String,System.String)
stloc.0 <null>
ldloc.0 <null>
newobj System.Void System.IO.FileInfo::.ctor(System.String)
callvirt System.IO.DirectoryInfo System.IO.FileInfo::get_Directory()
callvirt System.String System.IO.DirectoryInfo::get_FullName()
stloc.s V_4
ldloc.s V_4
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
call System.Boolean System.IO.Directory::Exists(System.String)
brtrue.s IL_011A: ldloc.0
ldloc.s V_4
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
call System.IO.DirectoryInfo System.IO.Directory::CreateDirectory(System.String)
pop <null>
ldloc.0 <null>
call System.Boolean System.IO.File::Exists(System.String)
brfalse.s IL_0131: ldc.i4 1000
ldloc.0 <null>
newobj System.Void System.IO.FileInfo::.ctor(System.String)
stloc.s V_5
ldloc.s V_5
callvirt System.Void System.IO.FileInfo::Delete()
ldc.i4 1000
call System.Void System.Threading.Thread::Sleep(System.Int32)
ldloc.0 <null>
ldsfld System.String Stub.Helper::current
call System.Byte[] System.IO.File::ReadAllBytes(System.String)
call System.Void System.IO.File::WriteAllBytes(System.String,System.Byte[])
leave.s IL_015C: ldc.i4.7
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.s V_6
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_015C: ldc.i4.7
ldc.i4.7 <null>
call System.String System.Environment::GetFolderPath(System.Environment/SpecialFolder)
ldstr \
ldsfld System.String Settings::InstallStr
call System.String System.IO.Path::GetFileNameWithoutExtension(System.String)
ldstr .lnk
call System.String System.String::Concat(System.String,System.String,System.String,System.String)
stloc.s V_7
ldstr WScript.Shell
ldstr 
call System.Object Microsoft.VisualBasic.Interaction::CreateObject(System.String,System.String)
ldnull <null>
ldstr CreateShortcut
ldc.i4.1 <null>
newarr System.Object
stloc.s V_9
ldloc.s V_9
ldc.i4.0 <null>
ldloc.s V_7
stelem.ref <null>
ldloc.s V_9
stloc.s V_10
ldloc.s V_10
ldnull <null>
ldnull <null>
ldc.i4.1 <null>
newarr System.Boolean
stloc.s V_11
ldloc.s V_11
ldc.i4.0 <null>
ldc.i4.1 <null>
stelem.i1 <null>
ldloc.s V_11
call System.Object Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateGet(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean[])
ldloc.s V_11
ldc.i4.0 <null>
ldelem.i1 <null>
brfalse.s IL_01E1: stloc.s V_12
ldloc.s V_10
ldc.i4.0 <null>
ldelem.ref <null>
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
ldtoken System.String
call System.Type System.Type::GetTypeFromHandle(System.RuntimeTypeHandle)
call System.Object Microsoft.VisualBasic.CompilerServices.Conversions::ChangeType(System.Object,System.Type)
castclass System.String
stloc.s V_7
stloc.s V_12
ldloc.s V_12
ldnull <null>
ldstr TargetPath
ldc.i4.1 <null>
newarr System.Object
stloc.s V_13
ldloc.s V_13
ldc.i4.0 <null>
ldloc.0 <null>
stelem.ref <null>
ldloc.s V_13
ldnull <null>
ldnull <null>
ldc.i4.0 <null>
ldc.i4.1 <null>
call System.Void Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateSetComplex(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean,System.Boolean)
ldloc.s V_12
ldnull <null>
ldstr WorkingDirectory
ldc.i4.1 <null>
newarr System.Object
stloc.s V_13
ldloc.s V_13
ldc.i4.0 <null>
ldstr 
stelem.ref <null>
ldloc.s V_13
ldnull <null>
ldnull <null>
ldc.i4.0 <null>
ldc.i4.1 <null>
call System.Void Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateSetComplex(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean,System.Boolean)
ldloc.s V_12
ldnull <null>
ldstr Save
ldc.i4.0 <null>
newarr System.Object
ldnull <null>
ldnull <null>
ldnull <null>
ldc.i4.1 <null>
call System.Object Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateCall(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean[],System.Boolean)
pop <null>
ldnull <null>
stloc.s V_12
ldloc.s V_7
ldc.i4.3 <null>
newobj System.Void System.IO.FileStream::.ctor(System.String,System.IO.FileMode)
stsfld System.IO.FileStream Stub.Helper::fileStream
leave.s IL_0260: call System.Void Stub.Helper::PreventSleep()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.s V_8
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_0260: call System.Void Stub.Helper::PreventSleep()
call System.Void Stub.Helper::PreventSleep()
ldnull <null>
ldftn System.Void Stub.Main::_Lambda$__1()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
stloc.1 <null>
ldnull <null>
ldftn System.Void Stub.Main::_Lambda$__2()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
stloc.2 <null>
ldloc.1 <null>
callvirt System.Void System.Threading.Thread::Start()
ldloc.2 <null>
callvirt System.Void System.Threading.Thread::Start()
ldloc.2 <null>
callvirt System.Void System.Threading.Thread::Join()
ret <null>
Mutex MUTEXmalicious
zqm3uhuhuhuhuhuhuhu
CnC CNCmalicious
detailhuhuhuhuhuhuhuhuhuhuhu
Port PORTmalicious
9huhuhuhu
Full artefact values (URLs, paths, registry keys, scripts…) are available with Essential.
Unlock with Essential
3c917ae51b7fc6b4ba771e898ff0da1b
Malicious
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
RT_MANIFEST
ID:0001
ID:0
Config. Field Value
Mutex zqm3uhuhuhuhuhuhuhu
Hosts detailhuhuhuhuhuhuhuhuhuhuhu
Port 9huhuhuhu
KEY <6huhuhuhu
USBNM <Xwhuhuhuhu
LoggerPath %Aphuhuhuhu
family xhuhuhuhu
We extracted this malware's full configuration (C2, credentials, campaign IDs…).
Unlock with Essential
Mutex MUTEXmalicious
zqm3uhuhuhuhuhuhuhu
3c917ae51b7fc6b4ba771e898ff0da1b
CnC CNCmalicious
detailhuhuhuhuhuhuhuhuhuhuhu
3c917ae51b7fc6b4ba771e898ff0da1b
Port PORTmalicious
9huhuhuhu
3c917ae51b7fc6b4ba771e898ff0da1b
Full artefact values (URLs, paths, registry keys, scripts…) are available with Essential.
Unlock with Essential
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